package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@Api(tags = "菜品相关接口")
@Slf4j
@RequestMapping("/admin/dish")
@RestController
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @ApiOperation("新增菜品")
    @PostMapping
    public Result addDish(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：dishDTO={}",dishDTO);
        dishService.addDishWithFlavor(dishDTO);

        //缓存清理：当菜品数据有变更的时候，需要清理菜品缓存
        String key = "dish_" + dishDTO.getCategoryId();
        redisTemplate.delete(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dto
     * @return
     */
    @ApiOperation("菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dto){
        log.info("菜品分页查询：dto={}",dto);
        PageResult pageResult = dishService.page(dto);
        return Result.success(pageResult);
    }

    /**
     * 删除菜品
     * @param ids 菜品id
     * @return
     */
    @ApiOperation("删除菜品")
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids){
        log.info("删除菜品，ids={}", ids);
        dishService.delete(ids);

        //缓存清理：当菜品数据有变更的时候，需要清理菜品缓存--为了简单可以暴力清除所有分类下的菜品缓存
        Set keys = redisTemplate.keys("dish_*");    // keys dish_*
        redisTemplate.delete(keys);

        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @ApiOperation("根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品,id={}", id);
        DishVO vo = dishService.getById(id);
        return Result.success(vo);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @ApiOperation("修改菜品")
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：dishDTO={}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //缓存清理：当菜品数据有变更的时候，需要清理菜品缓存--为了简单可以暴力清除所有分类下的菜品缓存
        Set keys = redisTemplate.keys("dish_*");    // keys dish_*
        redisTemplate.delete(keys);
        return Result.success();
    }

    /**
     * 菜品起售、停售
     * @param status 菜品状态：1为起售，0为停售
     * @param id
     * @return
     */
    @ApiOperation("菜品启售停售")
    @PostMapping("/status/{status}")
    public Result<String> startOrStop(@PathVariable Integer status, Long id){
        log.info("菜品起售、停售: status={}, id={}", status, id);
        dishService.startOrStop(status, id);

        //缓存清理：当菜品数据有变更的时候，需要清理菜品缓存--为了简单可以暴力清除所有分类下的菜品缓存
        Set keys = redisTemplate.keys("dish_*");    // keys dish_*
        redisTemplate.delete(keys);

        return Result.success();
    }

    @ApiOperation("根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<Dish>> list(Long categoryId, String name){
        log.info("根据分类id查询菜品: categoryId={}, name={}",categoryId, name);
        List<Dish> dishes = dishService.getByCategoryId(categoryId, name);
        return Result.success(dishes);
    }
}
